A young British clerk in a gloomy North Country undertaker's office, Billy is bombarded daily by the propaganda of the media that all things are for the asking. This transparently false doctrine, coupled with the humdrum job and his wild imagination, leads him on frequent flights to "Ambrosia," a mythical kingdom where he is crowned king, general, lover or any idealized hero the real situation of the moment makes him desire. His vacillating commitment and post-adolescent immaturity have created situations which make Ambrosia all the more attractive. He's succeeded in becoming engaged to two different girls, simultaneously, while in love with a third, Liz. He's in hot water with his employer, having spent a rather large sum of postage money on his personal frivolities. And last, but not least, his dream of becoming a highly-paid, famous scriptwriter in London seems doomed to failure. The only person in his life capable of bringing him down to earth is Liz, and she's having a difficult ...

Imaginaerum tells the story of an elderly composer, Tom, who suffers from severe dementia. As he has had the disease for years and has regressed into childhood, he remembers practically nothing from his adult life. His music, friends, all his past including the memory of his daughter are a blur in his fragile mind. All he has left is the imagination of a ten year old boy. As he drifts away into coma, it seems impossible to get back what he has lost. Or is it? The film is a journey between two different dimensions. Tom travels through his imaginary world seeking answers and finding memories, while his daughter, Gem, tries to recover the bond she had once shared with her father in the real world. As they have become more and more distant from each other over the years, and as there's even greater obstacles separating them now Tom's coma and his imminent death Gem's project feels doomed to failure. However, through Tom's darkest secrets, Gem discovers the path she must follow in order to...