Plays are about people in relationships. We stay glued to our seats because events in the play cause the people, and their relationships, to change. Create characters you can understand and care about. Find something to love or respect in every character, and we'll care about your characters too. Since each should be well developed, use as few characters as possible.
Plays come from experience, imagination and knowledge.
You've got all three. Mix them together and write about what you know, deep inside. Plays that work, regardless of their genre, style or structure, give us a sense of truth. Leave plenty of time for revision. Playwriting is rewriting.