"Want to know what's worse than waking up in a hospital emergency room with no memory of how you got there? Realising the docs weren't expecting you to wake up at all."
Mitch is about to break up with his girlfriend, Izumi, when a homeless man lurches out of an alley and touches him. Mitch collapses and wakes up in hospital to find that he is technically dead. His body has already begun to rot and he learns that he has until it fully decomposes to "tag" someone who has wronged him in order to lift the curse.