Lucky Luke must get Billy the Kid to New Mexico so he can be tried and put in jail. They both set out on the road, Lucky Luke assisted by Rin Tin Can. But Bert Malloy has promised the Kid he would set him free. Lucky Luke must get Billy the Kid to New Mexico so he can be tried and put in jail. They both set out on the road, Lucky Luke assisted by Rin Tin Can. But Bert Malloy has promised the Kid he would set him free.