When lovelorn Michael arrives in Berlin to return a set of keys to his ex-girlfriend, Gabi, as an excuse to see her again, he finds her apartment empty save for a couple of plumbers making repairs to the central heating. Just as Michael learns from the plumber’s apprentice, Harper, that Gabi has popped out for a while but will return soon, the apprentice is attacked by his boss who has unexpectedly and inexplicably transformed into a raging madman. Together, Michael and Harper manage to bundle the crazed plumber out of the apartment and barricade themselves safely inside. Within minutes, they find themselves trapped in apartment block under siege from a horde of similarly insane people, apparently hungry for human flesh.

Successful businesswoman Maria has achieved everything except what she wants the most – a baby of her own. She decides to deal with the matter by herself and embarks on a desperate and dangerous journey in order to make her dream come true.

Jos Bakker, a Dutch painter living in Berlin, is on a cross road in his life. He needs to make a decision, either hold on to his freedom and his unattached way of life or settle down and cre- ate a family with the woman he loves.