Frozen laws

This book is about a man named Dave Brentell who has been frozen for 50 years. But the catch is that he can't remember anything from his past. In the middle of a war he tries to find out who he is on a long journey through burnt cities and crushed memories. His only motivation is to find his family and who he is, but on the way he brakes some laws and ends up in jail, but then something happens...