Feared among the yakuza as \"The Immortal Dragon\", Tatsu is a legend of the underworld with an impressive number of defeated rival gangs under his belt. However, hoping to wash his hands of his past, Tatsu gets married and devotes himself fully to the way of the househusband by diligently undertaking the cooking, cleaning, washing and grocery shopping each day. On the other hand, there's one person who's not happy about Tatsu's new domestic life — his tough, former yakuza underling, Masa. As Tatsu tries his best to pursue the way of the househusband, one assassin after another tries their hand at taking him out!
