This is a summary of the following:
A huge hole appears in the city and swallows many people, including Eba and her family, Gavin and his daughter, and a group of survivors. They find themselves in a prehistoric world where they face dangers and mysteries. Gavin has visions of the past and the future, and discovers that he came from that world as a child through another hole. He also learns that his son is there, but he is disappearing. He tries to rescue him and his family with the help of a doctor who has a secret mission. Meanwhile, in the present, the authorities try to find out what happened and prevent more holes from opening. Some people who fell into the hole try to return to their time, but they face obstacles and betrayals. The story ends with Gavin and his daughter going back to 1988, where they hope to find their loved ones.
Here are the key facts extracted from the text:
1. A huge hole appears in the city.
2. A mother distrusts others with her children due to a past accident.
3. Cracks appear in the city causing fear.
4. The hole swallows everything in its path.
5. Gavin, unable to work as a pilot due to visions, searches for his daughter after an incident.
6. Strange birds emerge from the hole.
7. Gavin wakes up in a desolate place with no signal.
8. The government sends a drone into the hole which gets lost.
9. Authorities announce efforts to investigate the incident and remove bodies.
10. Gavin's visions include his ex-wife and son, convincing him they are alive.
11. Extinct birds emerged from the hole thousands of years ago.
12. A sinkhole appeared in the Mojave desert on October 26, 2018.
13. A man with terminal illness wanted to end his life at Topanga.
14. A sinkhole opens in Seattle, causing an evacuation.
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