A huge train accident in an idyllic small town shocks the whole of Finland, and accident investigator Marita Kaila is faced with the most difficult case of her career. Under increasing pressure, Marita and her team try to find out what led to the death of dozens of people. But there is also a tragedy in Marita's own past, which the demanding investigation brings to the fore. Will he solve the case before the pressure becomes too much?

Therapist Leena and her soon-to-be ex-husband Pekka run a relationship camp in the midst of their own painful break-up. The participants are all very different: an actor who has lost himself and his memory, his spouse, a police officer who cannot let go of his loved one, and a couple whose open relationship is not quite as open as they think. Through surprising twists, painful encounters, and humor, the campers discover new perspectives on each other—and themselves. Perhaps not everything can be fixed, but there is still much to learn.