Summarise a TV Season So a Group Can Discuss It

Someone watched it two months ago. Someone just finished last night. You are three episodes in. This produces a clean, spoiler-aware summary of what happened and why it mattered so the conversation can start rather than spending twenty minutes on recap.

I want a clean summary of a TV season so that a group of people who are at different points in their viewing can all participate in a discussion.

Show and season: {SHOW_AND_SEASON}

Give me: the main plot of the season in plain terms (what happened and why it mattered), the two or three character moments that changed things significantly, and how the season ends or where things stand as of the finale. Keep spoilers within the season and do not reveal anything from later seasons. Length: two or three paragraphs.