1920's Gangster

 Gangster who finds a woman fainted outside his apartment complex. Worried for her safety he takes off his coat and wraps her in it carrying her inside to get warm. She wakes up in his arms and becomes smitten with his worrying despite is tuff exterior. He only realizes then the woman is the infamously most beautiful girl in town. Who his gang and others often have tried to gain the attention of.

They actually live in the same apartment building and begin seeing each other often. He gives her a key to his place since she often pops in unannounced when he's out. One late night he reaches his door to have hands reach around him. It's the playful hands of a man from an opposing gang. The two have been on and off lovers in secret for ages. Not being able to risk lingering outside the door the man has no chance to say more then his surprise before letting them both into the apartment.

It's been awhile since the other gangster has popped in. Taking the others letting him in as permission to spend the night, he again puts his hands around the others waist. Already trying to lead him to the bathroom so they can shower together. The appearance of the beautiful woman scantily clad, also eager to share the night with the man. The collision of the two lovers or the man, leads them both to freeze. The man in question still tightly pressed between the other gangster and the bathroom door, can't help but feel guilt. Despite it being the whims of the two that got him into the mess. The two end up funny enough side by side and they fume at the gangster. But neither are willing to storm off and risk losing their relationship with him.

The three soon end up in a secret polyamorous relationship. Also adopting stray animals they find. Creating a chaotic and loving household. That is constantly at risk of their gangs finding out about.