What appears to be a random kidnapping becomes something more sinister when Secret Service Agent Jeremy Reins discovers he's being used as a pawn in a terrorist plot. Watching the clock tick down to an unknown catastrophe, Jeremy is forced by his captors to listen to the outside world on the brink of collapse, knowing that the only way to save the people he loves is to divulge a secret that he has sworn to protect.

When implanted in a person's wrist, a TiMER counts down to the day the wearer finds true love. But Oona O'Leary faces the rare dilemma of a blank TiMER. Her soul mate - whoever and wherever he is - has yet to have a TiMER implanted. Staring down the barrel of thirty and tired of waiting for her would-be life partner to get off the dime, Oona breaks her own rules and falls for Mikey, a charming and inappropriately young supermarket clerk with a countdown of four months.

In Los Angeles, Henry is a veterinarian whose fiancée Kate dies in an accident on the day they're to marry. Worried that Henry has closed off his social life, his sister suggests he use a psychic to contact Kate, lay to rest unresolved feelings, and live more fully. He tries it, though he doesn't believe in it. Nothing happens, so his sister gives Ashley, the psychic, Kate's diary. Now she's able to convince Henry she's in contact with Kate and start the therapy. Two things happen: they find themselves attracted to each other, and Kate's ghost, who also has some unresolved issues, returns to stop this budding romance.