Mother

It's Alex's turn to get in trouble for investigating The Conspiracy. Alvasarala's worst fears come true.

This episode provides examples of:

Colony Drop: How Inaros strikes at the Earth.
Spotting the Thread: When a faulty hydraulic breaker keeps tripping, Drummer realizes that it's the perfect way to draw subtle attention to a hiding spot.
Wham Episode: The first stealth asteroid hits Earth.
The Worf Effect:
Josep: Marco defeated Klaes Ashford, the ghost knight himself!