Sexual innuendos occur regularly, in some episodes more than others. Occasional mild kissing.

In one episode in season 1, the two protagonists question someone at a sex shop, but nothing's shown.

Sexual jokes and innuendos in this show are rather subtly hinted at than bluntly told. (Deleted. Personal opinions about ratings and suitable ages are not appropriate for the Parents Guide.)

Fist fights and gunfire occur semi regularly, and dead bodies are seen occasionally.

knives in peoples backs

Some very mild, occasional profanity

Characters drink and smoke occasionally.

Nothing is ever very intense. Occasional fight scenes and instances of violence/peril.