This is the way the world ends: with a nanosecond of computer error in a Defense Department laboratory and a million casual contacts that form the links in a chain letter of death. And here is the bleak new world of the day after: a world stripped of its institutions and emptied of 99 percent of its people. A world in which a handful of panicky survivors choose sides - or are chosen.

Four gripping novellas tied together by the changing of seasons. Hope Springs Eternal - "Rita Hayworth and the Shawshank Redemption": An unjustly imprisoned convict seeks a strange and startling revenge...the basis for the Best Picture Academy Award nominee The Shawshank Redemption.

Lisey lost her husband, Scott, two years ago, after a 25-year marriage of profound and sometimes frightening intimacy. Scott was an award-winning, best-selling novelist and a very complicated man. Early in their relationship, before they married, Lisey knew there was a place Scott went - a place that both terrified and healed him, could eat him alive or give him the ideas he needed in order to live. Now it’s Lisey’s turn to face Scott’s demons, to go to that terrifying place known as Boo’ya Moon.

Suppose your life sucks. A lot. Your husband has done a vanishing act, your teenage stepson is being bullied, and your math-whiz daughter has a once-in-a-lifetime opportunity that you can't afford to pay for. That's Jess' life in a nutshell - until an unexpected knight-in-shining-armor offers to rescue them. Only Jess' knight turns out to be Geeky Ed, the obnoxious tech millionaire whose vacation home she happens to clean. But Ed has big problems of his own, and driving the dysfunctional family to the Math Olympiad feels like his first unselfish act in ages...maybe ever.

You think you know the truth about the people you love. But one discovery can change everything.... Eight-year-old Billy goes missing one day, out flying his kite with his sister Rose. Two days later he is found dead. Sixteen years on, Rose still blames herself for Billy's death. How could she have failed to protect her little brother? Rose has never fully recovered from the trauma, and one of the few people she trusts is her neighbour Ronnie, who she has known all her life.

When Sarah meets Eddie, they connect instantly and fall in love. To Sarah, it seems as though her life has finally begun. And it's mutual: It's as though Eddie has been waiting for her, too. Sarah has never been so certain of anything. So when Eddie leaves for a long-booked vacation and promises to call from the airport, she has no cause to doubt him. But he doesn't call. Sarah's friends tell her to forget about him, but she can't. She knows something's happened - there must be an explanation.

In 1986, Eddie and his friends are on the verge of adolescence, spending their days biking in search of adventure. The chalk men are their secret code, stick figures they draw for one another as hidden messages. But one morning, the friends find a chalk man leading them to the woods. They follow the message, only to find the dead body of a teenage girl. In 2016, Eddie is nursing a drinking problem and trying to forget his past, until one day he gets a letter containing a chalk man — the same one he and his friends saw when they found the body.

Dear Elizabeth, I've been watching you. I hope to see you...soon. Liz Cafferky is on the up. Rescued from her dark past by the owner of a drop-in centre for older men, Liz soon finds herself as the charity's face - and the unwilling darling of the Dublin media. Amidst her claustrophobic fame, Liz barely notices a letter from a new fan. But then one of the centre's clients is brutally murdered, and Elizabeth receives another, more sinister note. Running from her own ghosts, Liz is too scared to go to the police.

Ed Kennedy is an underage cabdriver without much of a future. He's pathetic at playing cards, hopelessly in love with his best friend, Audrey, and utterly devoted to his coffee-drinking dog, the Doorman. His life is one of peaceful routine and incompetence, until he inadvertently stops a bank robbery.

When Jamie and Kirsty move into their first home together, they are full of optimism. The future, in which they plan to get married and start a family, is bright. The other residents of their building seem friendly too, including the Newtons, a married couple who welcome them to the building with open arms. But then strange things start to happen. Dead rats are left on their doorstep. They hear disturbing noises, and much worse, in the night.

Single mother Callie has come to rely heavily on her best friend Suzy. But Callie suspects Suzy's life isn't as simple as it seems. It's time she pulled away - going back to work is just the first step towards rediscovering her old confidence. So why does she keep putting off telling Suzy about her new job? And who will care for her rather frail daughter, Rae, while she is gone?

Gwen and Rhys are on the run. Rhys was hoping this meant a windswept cottage on a cliff top, but he’s had to settle for a miserable caravan in the isolated village of Rawbone. With the locals taking an unhealthy interest in their daughter, Gwen and Rhys start to realise that something is very wrong. As they uncover the village’s terrible past, Gwen discovers that Torchwood will never leave her behind, and now she and Rhys stand alone in defence of the Earth. And the children of Rawbone can only bring her closer to the secret forces that want her out of the way.

Then - In charge of her little sister at the beach, Claire allowed Eleanor to walk to the shop alone to buy an ice cream. Placing a coin into her hand, Claire told her to be quick, knowing how much she wanted the freedom. Eleanor never came back. Now - The time has finally come to sell the family farm and Claire is organizing a reunion of her dearest friends, the same friends who were present the day her sister went missing. When another girl disappears, long-buried secrets begin to surface.

Every family has a story.... But for the Guinness family a happy ending looks out of reach. Olly and Mae's marriage is crumbling, their teenage daughter Evie is on a mission to self-destruct and their beloved Pops is dying of cancer. Their once strong family unit is slowly falling apart. But Pops has one final gift to offer his beloved family - a ray of hope to cling to. As his life's journey draws to a close, he sends his family on an adventure across Europe in a camper van, guided by his letters, his wisdom and his love.

Small-time private investigator Ray Lovell veers between paralysis and delirium in a hospital bed. But before the accident that landed him there, he'd been hired to find Rose Janko, the wife of a charismatic son of a traveling Gypsy family, who went missing seven years earlier. Half Romany himself, Ray is well aware that he's been chosen more for his blood than his investigative skills.