λ no Hakobune

England, 1920. Linguist Professor Bourne is a leading expert in the research of undeciphered writing systems, and he is often involved in deciphering various texts and creating codes.

Rudy is Bourne’s son. He lives a completely different live from his father, being an expert in guns as well as an outlaw fresh out of prison.

The once distance father and son start working together...