Inclusion Criteria:

   1. Identifies as female.

   2. Between the age of 18 and 65.

   3. Reports a sexual assault in the last 4 weeks to 1 year.

   4. Current PTSD severity of 23+ on the PSS-I-5.

   5. Current heavy alcohol use (2+ heavy episodic drinking occasions [4+ drinks on one
   occasion] in past month).

   6. Access to the internet and a device with a webcam.

Exclusion Criteria:

   1. Current diagnosis of schizophrenia, delusional disorder, or organic mental disorder as
   defined by the DSM-5.

   2. Current diagnosis of bipolar disorder, depression with psychotic features, or
   depression severe enough to require immediate psychiatric treatment (i.e., serious
   suicide risk with intent and plan).

   3. Unwilling or unable to discontinue current trauma-focused psychotherapy or current
   substance use psychotherapy.

   4. Unstable dose of psychotropic medications in the prior 3 months.

   5. Ongoing intimate relationship with the perpetrator of most recent assault.

   6. Current diagnosis of a severe substance use disorder according to DSM-5, other than
   alcohol in the last month.

   7. No clear trauma memory.

   8. Current higher dose use of benzodiazepines (greater than the equivalent of 4 mg of
   lorazepam, 2 mg alprazolam, 1.5 mg clonazepam, or 20 mg of diazepam).