Nightmare 2 – Painajainen jatkuu (Nightmare 2 - nightmare continues) is a sequel to the horror film Nightmare – painajainen merellä (Nightmare - nightmare at the sea), continuing the horror spin-off series of a popular Finnish daytime soap opera Salatut Elämät (Secret Lives).

A newlywed couple sets off on a romantic sea cruise for their honeymoon, but their dream vacation quickly turns into a nightmare. They find themselves trapped on a ship with a serial killer who is targeting newlyweds. As they try to escape and stay alive, they uncover the dark secrets of the ship and the terrifying truth behind the murders.