It was about 5 events in the plot where "shit hits the fan":
1) Comet hits Earth in January 2103 (article Impact Event )
2) The failed attemp to evacuate Tau in september 2103 described in Johan Ross article.
3) The betrayal of the ARK launch (described in article The Ark Team ) in december 2103
4) The WAU is threatened and makes people's blackboxes explode in Omicron (described in the article Ralleigh Herber )
5)Akers Invade Theta in January 2104 (discribed in article Escape from Theta )